Unreal Engine Issues
Unreal Engine Issues
"Pausing" A TimeSynth causes a crash
UE - Audio - Oct 10, 2019Clicking and holding anywhere on the editor outside the viewport when PIE causes a crash. The AudioRendering thread throws the following assert: Assertion failed: FreeClipIndex < PlayingClipsPool_Au ...
thumbnail is updated at an unintended timing
UE - Editor - Content Pipeline - Content Browser - Oct 14, 2019This seems to be because the OrbitZoom of ThumbnailInfo is rewritten by ResetCamera () when the viewport is opened. Is this correct processing? ...
LivePP won't react with CTRL+ALT+F11 when debugger is break
UE - Foundation - Cpp Tools - Live Coding - Aug 21, 2019Before we were able to request CTRL+ALT+F11 while debugger is paused, then resuming the debugger (F5), LivePP was kicking, rebuilding before really unpausing the debugger. Now, if I want LivePP to ...
Grass does not show up when I override the Material of LandscapeComponent.
UE - Graphics Tools - Terrain - Landscape - Sep 8, 2021Regression checked in //UE4/Release-4.26.2 CL 15973114 the issue is not reproduced thee ...
MoviePipeline: Can't inherit from UMoviePipelineSetting in BP due to PURE_VIRTUAL
UE - Anim - Sequencer - Oct 28, 2021IsValidOnMaster/IsValidOnShot need to be BlueprintNativeEvents with a default C++ implementation and allow derived classes to override the function. This is needed so that you can create custom set ...
CSM Shadows disappearing at larger coordinates with different FOVs
UE - Graphics Features - Shadows - Apr 5, 2024Cascaded shadows disappear at some FOVs when far from the world origin. This behavior was not present in 5.2. Also found in CL: 32690246 in Release-5.4 ...
Enhanced Input Pressed Trigger firing twice
UE - Gameplay - Input - Apr 14, 2024GetTriggerEvent() in a function bound to an enhanced input action in C++, returns "Triggered" when bound to the "Started" trigger event. ...
[CAD Import] Metadata are totally different when loading an IFC file through TechSoft.
UE - Editor - Content Pipeline - CAD - Apr 22, 2024Foliage HLODs don't respect "Disallow Nanite"
UE - World Creation - Worldbuilding Tools - HLOD - Jan 15, 2025We have a level with foliage meshes that has been placed via the foliage system. We want to place these into HLOD Layers so that we can disable nanite, and thus enabling the imposter LODs at a dista ...
Editor crash when adding mesh renderer elements in Niagara
UE - Niagara - Jul 8, 2025When adding multiple meshes to a Niagara Mesh Renderer Module, a check() will be triggered due to a mismatch in the number of Widgets and the number of Tooltip Widgets. ...